What does the Bible say about Jesus healing the sick?

In John 4:50, we see Jesus affirming His authority to heal, telling the nobleman, 'Go thy way; thy son liveth.' This moment illustrates both the power of Christ and the faith of the nobleman, who believed Jesus' word over his circumstances. Throughout the Gospels, healing acts are markers of Jesus' messianic identity, revealing that He came not just to physically heal but to spiritually reclaim and restore humanity. Christ's miracles demonstrate His authority over life and death, reinforcing the truth that for Him, nothing is impossible (Luke 1:37). His willingness to engage with all people, even those of mixed backgrounds like the Samaritan woman, reflects that His mercy is available to everyone.